Protecting Oregon's Environment
Oregon State Seal
Oregon Department of Environmental Quality

Water Quality

Total Maximum Daily Loads (TMDLs) Program

Sign up to receive information about TMDLs by email

TMDLs Home
General Info
Related Info
    Select a Basin:
Basin Map
Subbasin List

Stormwater Sub-Programs
401 Certification
Clean Water State Revolving Fund
Construction Activities
Industrial Activities
Municipal Stormwater

Underground Injection Wells

 WQ Info Guides:
by alphabet
by category

Total Maximum Daily Loads Program

This site contains links to Total Maximum Daily Load and Water Quality Management Plan documents prepared for waterbodies in Oregon designated as water quality limited on the 303(d) list. A TMDL is the calculated pollutant amount that a waterbody can receive and still meet Oregon water quality standards.

Program Topics

[print version]

For more information about DEQ's Total Maximum Daily Loads (TMDLs) Progam contact Gene Foster by phone at 503-229-5325 or by email, or contact the appropriate Basin Coordinator.

Oregon Department of Environmental Quality
Headquarters: 700 NE Multnomah Street, Suite 600, Portland, OR 97232
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

DEQ Web site privacy notice